Re: Calling a procedure in a service program that returns a char(6) value

[Jon Paris <jon.paris@xxxxxxxxxxxxxx>]

You haven't shown us how you are calling the subprocedure from Java. Without that we're just guessing,


Jon Paris
Jon.Paris@xxxxxxxxxxxxxx



> On May 13, 2026, at 2:03 PM, Luca Giammattei <luca.giammattei@xxxxxxxxx> wrote:
>
> Hi everyone, I'm stuck with what I thought was a small problem but can't
> seem to resolve.
> From a Java class running on a Windows server, I need to:
> 1. connect to a certain IBM i power server; (done)
> 2. set a specific library list with a given custom command; (done)
> 3. call a service program procedure that returns a char(6) value. (And here
> I'm stuck.)
> Despite several attempts, the procedure, assuming it's actually executed,
> doesn't produce any results.
> This is the RPG prototype of the procedure:
> dcl-pr RtvSupplierCode Char(6) EXTPROC('RtvSupplierCode');
> codMec zoned(7:0) const options(*omit:*nopass);
> vatCode char(16) const options(*omit:*nopass);
> idColCode packed(13:0) const options(*omit:*nopass);
> end-pr;
>
> The returned char(6) field may also be empty.
> The three parameters are alternative; those not passed must be marked with
> the *OMIT placeholder. The possible values for the test are:
> codMec=some numbers or vatCode=some numbers but as a string or
> idColCode=again some numbers
>
> Normally, the call in rpgile would be
> supplierCode = RtvSupplierCode(1236547 : *omit : *omit);
> supplierCode = RtvSupplierCode (*omit : '123456789012345' : *omit);
> supplierCode = RtvSupplierCode (*omit : *omit : 12345);
>
> Now on my class It just doesn't seem to work.
>
> Has anyone ever used this call?
> Does anyone have any working code examples I can try?
> Thanks in advance for your attention.
> -- 
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